[(19S)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl] 4-[[2-[2-[2-[[4-[[4-[3,5-bis[[bis(pyridin-2-ylmethyl)amino]methyl]phenoxy]butyl-[1-(4-chlorophenyl)cyclohexanecarbonyl]amino]methyl]benzoyl]amino]ethoxy]ethoxy]ethyl-[1-(4-chlorophenyl)cyclohexanecarbonyl]amino]methyl]benzoate